1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/RefPtr.h>
#include <AK/UUID.h>
#include <Kernel/Devices/BlockDevice.h>
namespace Kernel {
class DiskPartitionMetadata {
private:
class PartitionType {
friend class DiskPartitionMetadata;
public:
explicit PartitionType(u8 partition_type);
explicit PartitionType(Array<u8, 16> partition_type);
UUID to_uuid() const;
u8 to_byte_indicator() const;
bool is_uuid() const;
bool is_valid() const;
private:
Array<u8, 16> m_partition_type {};
bool m_partition_type_is_uuid { false };
};
public:
DiskPartitionMetadata(u64 block_offset, u64 block_limit, u8 partition_type);
DiskPartitionMetadata(u64 start_block, u64 end_block, Array<u8, 16> partition_type);
DiskPartitionMetadata(u64 block_offset, u64 block_limit, Array<u8, 16> partition_type, UUID unique_guid, u64 special_attributes, String name);
u64 start_block() const;
u64 end_block() const;
DiskPartitionMetadata offset(u64 blocks_count) const;
Optional<u64> special_attributes() const;
Optional<String> name() const;
const PartitionType& type() const;
const UUID& unique_guid() const;
private:
u64 m_start_block;
u64 m_end_block;
PartitionType m_type;
UUID m_unique_guid {};
u64 m_attributes { 0 };
String m_name;
};
}
|
